Question

Exercise 5.3 Solving angle problems
1 Explain why vertically opposite angles are equal.
2 a Explain why x + y + z = 360°.
to
b Explain why a + b +c+d= 360°.
ho​

Answer 1

Answer:

1)vertically opposite angles are equal because if you flip one of the angle vertically than the other angle will be totally covered with the first